/**
 * cookie操作工具类，小程序端用Storage模拟cookie
 * cookie.set(name, value[, exSeconds]) 默认7天过期
 * cookie.get(name)
 * cookie.remove(name)
 */

/**
 * 设置cookie,默认7天过期
 * @param {*} cname
 * @param {*} cvalue
 * @param {*} exSeconds  过期时间（秒）
 */
function set(cname, cvalue, exSeconds = 7 * 24 * 60 * 60) {
	var d = new Date()
	d.setTime(d.getTime() + exSeconds * 1000)
	var expires = 'expires=' + d.toGMTString()
	document.cookie = cname + '=' + cvalue + '; ' + expires + 'path=/'
}
/**
 * 获取cookie
 * @param {*} cname
 */
function get(cname) {
	var name = cname + '='
	var ca = document.cookie.split(';')
	for (var i = 0; i < ca.length; i++) {
		var c = ca[i].trim()
		if (c.indexOf(name) == 0) return c.substring(name.length, c.length)
	}
	return ''
}
/**
 * 移除某项cookie
 * @param {*} cname
 */
function remove(cname) {
	set(cname, '', -365)
}

export default {
	get,
	set,
	remove
}
